/Engine/Plugins/FX/Niagara/Source/NiagaraShader/Public/NiagaraShared.h
All script shader maps in memory. No ref counting needed as these are removed on destruction of the shader map.
static [TArray](API\Runtime\Core\Containers\TArray)< [FNiagaraShaderMap](API\Plugins\NiagaraShader\FNiagaraShaderMap) * > AllNiagaraShaderMaps;